Initial commit

flake.nix

@@ -0,0 +1,35 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    fenix.url = "github:nix-community/fenix";
+    fenix.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+
+  outputs = { self, nixpkgs, fenix }@inputs:
+  let 
+    systems = [
+      "x86_64-linux"
+      "aarch64-linux"
+      "aarch64-darwin"
+    ];
+    forAllSystems = f: nixpkgs.lib.genAttrs systems (system: let
+      toolchain = fenix.packages.${system}.complete;
+      pkgs = import nixpkgs {
+        inherit system;
+        overlays = [
+          (_: super: let pkgs = fenix.inputs.nixpkgs.legacyPackages.${system}; in fenix.overlays.default pkgs pkgs)
+        ];
+      };
+    in f system pkgs toolchain);
+  in {
+    devShell = forAllSystems (system: pkgs: toolchain: pkgs.mkShell {
+      packages = [
+        (toolchain.withComponents [
+          "cargo" "rustc" "rustfmt" "clippy"
+        ])
+      ];
+      RUST_SRC_PATH = "${toolchain.rust-src}/lib/rustlib/src/rust/";
+    });
+  };
+}